Butter stick



FIG. 1 is an illustration of a top, front, left side perspective view a butter stick;

FIG. 2 is an illustration of a top plan view of the butter stick of FIG. 1 , with the bottom plan view being a mirror image thereof;

FIG. 3 is an illustration of a front elevation view of the butter stick of FIG. 1 , with the back view being a mirror image thereof;

FIG. 4 is an illustration of a left side elevation view of the butter stick of FIGS. 1 ; and,

FIG. 5 is an illustration of a right side elevation view of the butter stick of FIG. 1 .

The dot-dash broken lines illustrated in the butter stick surfaces define the bounds of the claim, forming no part thereof. The evenly-spaced broken lines at the breaks in the drawings illustrate portions of the butter stick that form no part of the claim. Any portion of the article between those breaks forms no part of the claimed design. 

CLAIM The ornamental design for a butter stick, as shown and described. 